﻿using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using TaoPortal.Areas.Admin.Models;
using TaoPortal.Filters;
using TaoPortal.Models;

namespace TaoPortal.Controllers
{
    [Compress]
    public class AccountController : Controller
    {
        //
        // GET: /Account/

        public ActionResult Login(string ReturnUrl)
        {
            return View();
        }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Login(AccountModel model)
        {
            if (!ModelState.IsValid)
            {
                return View(model);
            }
            else
            {
                SessionEnt sessionEnt = new SessionEnt();
                if (sessionEnt == null)//验证用户名和密码
                {
                    return View(model);
                }
                HttpContext.Session[TaoPortal.Common.PublicKey.IDENTITY_KEY] = sessionEnt;
                if (!string.IsNullOrEmpty(model.ReturnUrl))
                {
                    return new RedirectResult(model.ReturnUrl);
                }
                else
                {
                    //判断登录用户角色，管理员的直接跳到后台管理页面，否则跳到系统首页
                    if (sessionEnt.Roles != null && sessionEnt.Roles.Split(',').Contains("admin"))
                        return new RedirectResult("/Admin");
                    else
                        return new RedirectResult("/");
                }
            }
        }

        public ActionResult Test()
        {
            return View();
        }

        public ActionResult Upload()
        {

            if (Request.Files.Count > 0 && Request.Files[0] != null && Request.Files[0].ContentLength > 0)
            {
                TaoPortal.Areas.Admin.Models.UploadModel model = new Areas.Admin.Models.UploadModel();
                model.SessionEnt = new SessionEnt();
                var file = Request.Files[0];
                model.FData = new Byte[file.ContentLength];
                file.InputStream.Position = 0;
                file.InputStream.Read(model.FData, 0, file.ContentLength);
                model.FLength = file.ContentLength;
                model.FName = System.IO.Path.GetFileName(file.FileName);
                model.FExtName = System.IO.Path.GetExtension(file.FileName);
                model.FType = file.ContentType;
                string id = model.SaveFile();
                string res = Common.Utility.JsonSerialization.SerializeObject(new { error = 0, url = "/File/" + id });
                return Content(res);
            }
            return Content("错误了");
            //return Content("{\"error\":1,\"message\"=\"服务器错误！\"}");
            //Response.Status = "{'code': 100, 'message': 'Failed to open temp directory.'}";

            //throw new Exception("cuowu");
            //Response.StatusCode = -700;
            //Response.StatusDescription = "sss";
            //Response.SuppressContent = true;
            //Response.Write("{'code' : '-100'}");
        }

        public void VerifyCode()
        {
            int codeW = 80;
            int codeH = 22;
            int fontSize = 16;
            string chkCode = string.Empty;
            //颜色列表，用于验证码、噪线、噪点 
            Color[] color = { Color.Black, Color.Red, Color.Blue, Color.Green, Color.Orange, Color.Brown, Color.Brown, Color.DarkBlue };
            //字体列表，用于验证码 
            string[] font = { "Times New Roman", "Verdana", "Arial", "Gungsuh", "Impact" };
            //验证码的字符集，去掉了一些容易混淆的字符 
            char[] character = { '2', '3', '4', '5', '6', '8', '9', 'a', 'b', 'd', 'e', 'f', 'h', 'k', 'm', 'n', 'r', 'x', 'y', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W', 'X', 'Y' };
            Random rnd = new Random();
            //生成验证码字符串 
            for (int i = 0; i < 4; i++)
            {
                chkCode += character[rnd.Next(character.Length)];
            }
            //写入Session
            Session["Code"] = chkCode;
            //创建画布
            Bitmap bmp = new Bitmap(codeW, codeH);
            Graphics g = Graphics.FromImage(bmp);
            g.Clear(Color.White);
            //画噪线 
            for (int i = 0; i < 1; i++)
            {
                int x1 = rnd.Next(codeW);
                int y1 = rnd.Next(codeH);
                int x2 = rnd.Next(codeW);
                int y2 = rnd.Next(codeH);
                Color clr = color[rnd.Next(color.Length)];
                g.DrawLine(new Pen(clr), x1, y1, x2, y2);
            }
            //画验证码字符串 
            for (int i = 0; i < chkCode.Length; i++)
            {
                string fnt = font[rnd.Next(font.Length)];
                Font ft = new Font(fnt, fontSize);
                Color clr = color[rnd.Next(color.Length)];
                g.DrawString(chkCode[i].ToString(), ft, new SolidBrush(clr), (float)i * 18 + 2, (float)0);
            }
            //画噪点 
            for (int i = 0; i < 100; i++)
            {
                int x = rnd.Next(bmp.Width);
                int y = rnd.Next(bmp.Height);
                Color clr = color[rnd.Next(color.Length)];
                bmp.SetPixel(x, y, clr);
            }
            //清除该页输出缓存，设置该页无缓存 
            Response.Buffer = true;
            Response.ExpiresAbsolute = System.DateTime.Now.AddMilliseconds(0);
            Response.Expires = 0;
            Response.CacheControl = "no-cache";
            Response.AppendHeader("Pragma", "No-Cache");
            //将验证码图片写入内存流，并将其以 "image/Png" 格式输出 
            MemoryStream ms = new MemoryStream();
            try
            {
                bmp.Save(ms, ImageFormat.Png);
                Response.ClearContent();
                Response.ContentType = "image/Png";
                Response.BinaryWrite(ms.ToArray());
            }
            finally
            {
                //显式释放资源 
                bmp.Dispose();
                g.Dispose();
            }
        }

        [SysAuthorize]
        public ActionResult UCenter()
        {
            return View();
        }

        public ActionResult Logout()
        {
            return View();
        }

        public ActionResult Register()
        {
            return View();
        }

    }
}
